Electronic Range Select (ERS) Mode

ERS or manual mode allows for the selection of the range of gear positions. Use this mode when driving down hill or towing a trailer to limit the top gear and vehicle speed.

To use this feature:

1. Move the shift lever to M(Manual Mode).
2. Press the plus/minus button on the shift lever, to increase or decrease the gear range available.

See Manual Mode on page 9‑31 for more information.

    See also:

    Blank Display
    This display shows no information. ...

    Driving with a Trailer
    Towing a trailer requires experience. Get familiar with handling and braking with the added trailer weight. The vehicle is now longer and not as responsive as the vehicle is by itself. Check all tra ...

    Transferring Service
    Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, ...